diff --git a/measure-bundle-size/src/findPkg.ts b/measure-bundle-size/src/findPkg.ts
index b2ed3ad..b93ca61 100644
--- a/measure-bundle-size/src/findPkg.ts
+++ b/measure-bundle-size/src/findPkg.ts
@@ -77,5 +77,6 @@ export const findPkgs = async (modulePath: string, baseDir: string) => {
       }
     }
   }
+  // @ts-expect-error used before being assigned
   return {rootPkgFile, rootPkg, modulePkgFile, modulePkg}
 }